Public bug reported:
no idea, this happened randomly. I'm reporting because it is the second
time. Hopefully useful.
I skimmed some of my dmesg output, and this looked interesting (it is a wake
from suspend, and then a kernel error):
[36793.881586] PM: Syncing filesystems ... done.
[36794.048261] PM: Preparing system for mem sleep
[36794.048473] Freezing user space processes ... (elapsed 0.001 seconds) done.
[36794.049716] Freezing remaining freezable tasks ... (elapsed 0.001 seconds)
done.
[36794.050893] PM: Entering mem sleep
[36794.050909] Suspending console(s) (use no_console_suspend to debug)
[36794.051394] sd 1:0:1:0: [sdb] Synchronizing SCSI cache
[36794.051504] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[36794.051570] sd 1:0:1:0: [sdb] Stopping disk
[36794.051753] parport_pc 00:07: disabled
[36794.051801] sd 0:0:0:0: [sda] Stopping disk
[36794.051868] serial 00:06: disabled
[36794.051897] serial 00:06: System wakeup disabled by ACPI
[36794.576063] PM: suspend of devices complete after 524.904 msecs
[36794.576434] PM: late suspend of devices complete after 0.367 msecs
[36794.576657] pcieport 0000:00:1c.1: System wakeup enabled by ACPI
[36794.592200] ehci-pci 0000:00:1d.7: System wakeup enabled by ACPI
[36794.608074] uhci_hcd 0000:00:1d.3: System wakeup enabled by ACPI
[36794.608107] uhci_hcd 0000:00:1d.2: System wakeup enabled by ACPI
[36794.608140] uhci_hcd 0000:00:1d.1: System wakeup enabled by ACPI
[36794.608172] uhci_hcd 0000:00:1d.0: System wakeup enabled by ACPI
[36794.608321] PM: noirq suspend of devices complete after 31.884 msecs
[36794.608632] ACPI: Preparing to enter system sleep state S3
[36794.610702] PM: Saving platform NVS memory
[36794.610734] Disabling non-boot CPUs ...
[36794.612136] smpboot: CPU 1 is now offline
[36794.612485] ACPI: Low-level resume complete
[36794.612485] PM: Restoring platform NVS memory
[36794.612485] Enabling non-boot CPUs ...
[36794.612485] smpboot: Booting Node 0 Processor 1 APIC 0x1
[36794.612122] Initializing CPU#1
[36794.626158] CPU1 is up
[36794.627426] ACPI: Waking up from system sleep state S3
[36794.644289] uhci_hcd 0000:00:1d.0: System wakeup disabled by ACPI
[36794.644316] uhci_hcd 0000:00:1d.1: System wakeup disabled by ACPI
[36794.644342] uhci_hcd 0000:00:1d.2: System wakeup disabled by ACPI
[36794.644367] uhci_hcd 0000:00:1d.3: System wakeup disabled by ACPI
[36794.660071] ehci-pci 0000:00:1d.7: System wakeup disabled by ACPI
[36794.692323] PM: noirq resume of devices complete after 64.043 msecs
[36794.692498] PM: early resume of devices complete after 0.142 msecs
[36794.692655] snd_hda_intel 0000:00:1b.0: irq 43 for MSI/MSI-X
[36794.692727] uhci_hcd 0000:00:1d.0: setting latency timer to 64
[36794.692750] usb usb2: root hub lost power or was reset
[36794.692810] pci 0000:00:1e.0: setting latency timer to 64
[36794.692832] uhci_hcd 0000:00:1d.1: setting latency timer to 64
[36794.692857] usb usb3: root hub lost power or was reset
[36794.692871] pcieport 0000:00:1c.1: System wakeup disabled by ACPI
[36794.693383] uhci_hcd 0000:00:1d.2: setting latency timer to 64
[36794.693408] usb usb4: root hub lost power or was reset
[36794.694446] uhci_hcd 0000:00:1d.3: setting latency timer to 64
[36794.694466] usb usb5: root hub lost power or was reset
[36794.694598] ehci-pci 0000:00:1d.7: setting latency timer to 64
[36794.696141] ata_piix 0000:00:1f.2: setting latency timer to 64
[36794.696648] serial 00:06: activated
[36794.697794] parport_pc 00:07: activated
[36794.836164] usb 1-2.3: reset high-speed USB device number 5 using ehci-pci
[36795.076659] snd-usb-audio 1-2.3:1.2: no reset_resume for driver
snd-usb-audio?
[36795.076661] snd-usb-audio 1-2.3:1.3: no reset_resume for driver
snd-usb-audio?
[36795.204076] usb 2-1: reset low-speed USB device number 2 using uhci_hcd
[36795.604052] usb 5-2: reset full-speed USB device number 2 using uhci_hcd
[36799.276349] ata1.01: ACPI cmd ef/03:42:00:00:00:b0 (SET FEATURES) filtered
out
[36799.276352] ata1.01: ACPI cmd ef/03:42:00:00:00:b0 (SET FEATURES) filtered
out
[36799.276354] ata1.01: ACPI cmd ef/03:0c:00:00:00:b0 (SET FEATURES) filtered
out
[36799.284337] ata1.00: ACPI cmd ef/03:45:00:00:00:a0 (SET FEATURES) filtered
out
[36799.284340] ata1.00: ACPI cmd ef/03:45:00:00:00:a0 (SET FEATURES) filtered
out
[36799.284342] ata1.00: ACPI cmd ef/03:0c:00:00:00:a0 (SET FEATURES) filtered
out
[36799.300409] ata1.00: configured for UDMA/100
[36799.316217] ata1.01: configured for UDMA/33
[36799.322172] sd 0:0:0:0: [sda] Starting disk
[36803.480089] ata2.01: NODEV after polling detection
[36803.480092] ata2.01: revalidation failed (errno=-2)
[36804.072161] ata2.01: ACPI cmd ef/03:45:00:00:00:b0 (SET FEATURES) filtered
out
[36804.072165] ata2.01: ACPI cmd ef/03:45:00:00:00:b0 (SET FEATURES) filtered
out
[36804.072169] ata2.01: ACPI cmd ef/03:0c:00:00:00:b0 (SET FEATURES) filtered
out
[36804.100427] ata2.01: configured for UDMA/133
[36804.100560] sd 1:0:1:0: [sdb] Starting disk
[36804.106177] PM: resume of devices complete after 9413.674 msecs
[36804.127915] set resolution quirk: cval->res = 384
[36804.158669] PM: Finishing wakeup.
[36804.158671] Restarting tasks ... done.
[36804.710383] atl1c 0000:03:00.0: irq 44 for MSI/MSI-X
[36804.724797] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[36804.735405] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[36806.081276] wlan0: authenticate with 00:24:a5:b5:18:12
[36806.085318] wlan0: send auth to 00:24:a5:b5:18:12 (try 1/3)
[36806.119329] wlan0: authenticated
[36806.120032] wlan0: associate with 00:24:a5:b5:18:12 (try 1/3)
[36806.123759] wlan0: RX AssocResp from 00:24:a5:b5:18:12 (capab=0x411 status=0
aid=5)
[36806.123831] wlan0: associated
[36806.123865] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[36841.184171] Corrupted low memory at c000d44c (d44c phys) = 00004000
[36841.184184] ------------[ cut here ]------------
[36841.184195] WARNING: CPU: 0 PID: 7745 at
/build/buildd/linux-3.11.0/arch/x86/kernel/check.c:140
check_for_bios_corruption+0xbe/0xd0()
[36841.184199] Memory corruption detected in low memory
[36841.184202] Modules linked in: pci_stub vboxpci(OF) vboxnetadp(OF)
vboxnetflt(OF) vboxdrv(OF) bnep rfcomm bluetooth binfmt_misc(F) coretemp
joydev(F) hid_microsoft hid_generic gpio_ich ppdev(F) uvcvideo nvidia(POF)
videobuf2_vmalloc videobuf2_memops videobuf2_core arc4(F) videodev
snd_usb_audio snd_usbmidi_lib usbhid hid ath9k snd_hda_codec_realtek
ath9k_common snd_hda_intel ath9k_hw snd_hda_codec snd_hwdep(F) snd_pcm(F) ath
mac80211 snd_page_alloc(F) snd_seq_midi(F) snd_seq_midi_event(F) snd_rawmidi(F)
microcode(F) snd_seq(F) snd_seq_device(F) cfg80211 snd_timer(F) psmouse(F)
snd(F) lpc_ich serio_raw(F) soundcore(F) mac_hid parport_pc(F) lp(F) parport(F)
atl1c
[36841.184291] CPU: 0 PID: 7745 Comm: kworker/0:2 Tainted: PF O
3.11.0-3-generic #8-Ubuntu
[36841.184295] Hardware name: Gigabyte Technology Co., Ltd.
G31M-ES2L/G31M-ES2L, BIOS FI 08/09/2010
[36841.184302] Workqueue: events check_corruption
[36841.184306] 00000000 00000000 f3733e8c c162f784 f3733ecc f3733ebc c105266e
c1800d18
[36841.184319] f3733ee8 00001e41 c1800d44 0000008c c10457de c10457de 00000000
c0010000
[36841.184331] c1a69470 f3733ed4 c10526c3 00000009 f3733ecc c1800d18 f3733ee8
f3733efc
[36841.184343] Call Trace:
[36841.184353] [<c162f784>] dump_stack+0x41/0x52
[36841.184360] [<c105266e>] warn_slowpath_common+0x7e/0xa0
[36841.184366] [<c10457de>] ? check_for_bios_corruption+0xbe/0xd0
[36841.184373] [<c10457de>] ? check_for_bios_corruption+0xbe/0xd0
[36841.184379] [<c10526c3>] warn_slowpath_fmt+0x33/0x40
[36841.184386] [<c10457de>] check_for_bios_corruption+0xbe/0xd0
[36841.184392] [<c1045800>] check_corruption+0x10/0x40
[36841.184400] [<c1069eb8>] process_one_work+0x118/0x370
[36841.184407] [<c106ac81>] worker_thread+0x101/0x340
[36841.184414] [<c106ab80>] ? manage_workers.isra.26+0x250/0x250
[36841.184421] [<c1070084>] kthread+0x94/0xa0
[36841.184427] [<c1070000>] ? kthread+0x10/0xa0
[36841.184434] [<c163cdf7>] ret_from_kernel_thread+0x1b/0x28
[36841.184441] [<c106fff0>] ? kthread_create_on_node+0xc0/0xc0
[36841.184445] ---[ end trace 2632f8cb2b1edde4 ]---
The rest of my dmesg is chock full of wifi reconnects.
ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: wpasupplicant 1.0-3ubuntu2
ProcVersionSignature: Ubuntu 3.11.0-3.8-generic 3.11.0-rc6
Uname: Linux 3.11.0-3-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.12.1-0ubuntu2
Architecture: i386
CrashCounter: 1
Date: Mon Aug 26 23:45:40 2013
ExecutablePath: /sbin/wpa_supplicant
InstallationDate: Installed on 2013-08-21 (5 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release i386 (20130424)
MarkForUpload: True
ProcCmdline: /sbin/wpa_supplicant -B -P /run/sendsigs.omit.d/wpasupplicant.pid
-u -s -O /var/run/wpa_supplicant
ProcEnviron:
SegvAnalysis:
Segfault happened at: 0x8102980: mov (%edi),%ebx
PC (0x08102980) ok
source "(%edi)" (0x06000074) not located in a known VMA region (needed
readable region)!
destination "%ebx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: wpa
StacktraceTop:
?? ()
?? ()
?? ()
?? ()
?? ()
Title: wpa_supplicant crashed with SIGSEGV
UpgradeStatus: Upgraded to saucy on 2013-08-23 (3 days ago)
UserGroups:
** Affects: wpa (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-crash i386 need-i386-retrace saucy
** Information type changed from Private to Public
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https://bugs.launchpad.net/bugs/1217179
Title:
wpa_supplicant crashed with SIGSEGV
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